Insiders who reported open-market trades in the last 12 months at the companies Jonathan Mark Collins files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
Mari Doerfler - $233K in OC purchases and sales in the last 12 months
Jonathan Mark Collins is a corporate insider, tracked as EVP & Chief Financial Officer of Owens Corning (OC). InsiderAlpha holds 5 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Jonathan Mark Collins submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Jonathan Mark Collins is EVP & Chief Financial Officer of Owens Corning (OC). 5 SEC Form 4 filings on record going back to 2025, most recently on 12 August 2026.
Recent transactions
9
The latest 9 SEC Form 4 transactions reported by Jonathan Mark Collins.
InsiderAlpha's records for Jonathan Mark Collins go back to 2025: 5 primary Form 4 filings, an average of 2.5 per year. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
